Wiping Out Data

[Jeffrey F. Bloss]

Carsten Aulbert wrote:

> Jeffrey F. Bloss wrote:
> > I don't believe this is correct because dd doesn't work at that
> > level. The command you suggested... 'dd if=/dev/random of=/dev/sdb'
> > *should* fail with a "no media" error unless sdb is mounted. Actually
> > it should fail either way because you're not pointing dd at an
> > accessible target partition. But there may be file system specific
> > factors that make YMMV applicable. ;)
> 
> Certainly it does work at that level. Try it out yourself with
> 
> dd if=/dev/zero of=/dev/hda bs=1M count=1

This is exactly what I tried with a USB device, only using
if=/dev/random. It failed with the "no media" error unless the drive
was mounted.

*shrug*

-- 
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                    http://wrench.homelinux.net/~jeff/

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